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Benito Creek Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10000869
MRDS ID A011522
Record type Site
Current site name Benito Creek Prospect
Alternate or previous names Canning Property
Related records 10137143

Geographic coordinates

Geographic coordinates: -144.13947, 61.61576 (WGS84)
Location accuracy 2000(meters)
Relative position MOUTH OF BENITO CREEK

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valdez C-1(quadrangle 1:63,360 scale)

Valdez NE(quadrangle 1:100,000 scale)

Valdez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Ahtna, Incorporated(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Wrangell-St. Elias National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 59. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary

Comments on the commodity information

  • FREE AU CARRIES ALLOYED AY

Materials information

Materials Type of material
Chalcopyrite Ore

Analytical data

Result NO DATA

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock
    Rock unit name Skolai Group;Skolai Group
    Rock description Skolai Group;Skolai Group

Nearby scientific data

(1) -144.13947, 61.61576
ListMap

Economic information

Ore body information

  • Strike N 30 W
    Dip 70-75 E
    Thickness 0.76M
    Width 0.91M

Comments on the geologic information

  • DEPOSIT IS RELATED SPATIALLY AND PROBABLY TEMPORALLY TO UPPER JURASSIC PLUTONS. GABBRO INTRUDING ALTERED, SHEARED BASALT. SKOLAI GROUP; METAVOLCANICS WITH GABBROIC INTRUSIVES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Surface
    Length 182.88M

Comments on the workings information

  • VEIN WAS EXPOSED BY GROUND SLUICING AND TEST PITS FOR OVER 600 FT ALONG STRIKE

Comments on development

  • DISCOVERED 1912 OR 1913; MOST ACTIVITY IN EARLY 1920'S WHEN OVERBURDEN WAS SLUICED OFF AND TEST PITS WERE SUNK; APPARENT POST-1950 ACTIVITY

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SEVERAL QUARTZ-CALCITE VEINS WITH FREE AU, PYRITE, ARSENOPYRITE, CHALCOPYRITE; MAIN VEIN: 2 TO 3 FT WIDE, AVE. 30 IN, STRIKE OF N 30 W WITH 70 TO 75 E DIP; SIMILAR, SMALLER VEINS AT PROSPECT HAVE HAD VERY LITTLE EXPLORATION
Deposit MOFFIT, 1924, (USGS BULL 755) LISTS HOST ROCK AS STRELNA FORMATION ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey PARSED DATA INTO WORKINGS AND ORE BODY MULTIVALUED FIELDS
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey
Editor 30-MAY-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.